Physician Profile
Dionna Lomax, M.D.
Unclaimed ProfileAbout Dr. Lomax
Dionna Lomax, M.D. is a healthcare provider in Chicago, IL specializing in family medicine. Dionna trained at University of Chicago, Pritzker School of Medicine, graduating in 2007. Medicare claims data shows Dionna provided 370 services to 321 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 268-6630
- Email not available
Practice Locations
10834 S DOTY AVE
Chicago, IL 60628
15300 West Ave
Orland Park, IL 60462
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
Procedures Most Often Billed to Medicare
370 services · 321 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
102 | As often as other peers in Family Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
72 | As often as other peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
55 | As often as other peers in Family Medicine |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
48 | More often than most peers in Family Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
34 | More often than most peers in Family Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
28 | As often as other peers in Family Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 | As often as other peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
13 | As often as other peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family doctors in Chicago 8
Same specialty, same city.
Trained at University of Chicago, Pritzker School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2007 at University of Chicago, Pritzker School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dionna Lomax specialize in?
Dionna Lomax is a family doctor in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Dionna Lomax located?
Dionna Lomax is listed at 10834 S Doty Ave, Chicago, IL 60628. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dionna Lomax's phone number?
The number on file is (312) 268-6630. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dionna Lomax?
Dionna Lomax's National Provider Identifier is 1639336399. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dionna Lomax train?
Dionna Lomax attended University of Chicago, Pritzker School of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dionna Lomax have?
Dionna Lomax has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What does Dionna Lomax do most often?
According to Medicare billing data, Dionna Lomax the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dionna Lomax's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dionna Lomax. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.